Patents by Inventor Michael Dorig

Michael Dorig has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9618124
    Abstract: The present invention relates to a mechanical seal assembly, comprising: a rotating seal ring (2) and a stationary seal ring (3), which define a sealing gap (4) thereinbetween, a shaft bush (6), on which the rotating seal ring (2) is arranged, a carrier ring (5), which is arranged on the shaft bush (6) and at least partly covers the rotating seal ring (2) on the outer circumference thereof, a first O-ring (8) and a second O-ring (9), which are arranged between the rotating seal ring (2) and the carrier ring (5) and define an interspace (15) on the outer circumference of the rotating seal ring (2) between the carrier ring (5) and the rotating seal ring (2), and at least one connecting opening (11), which connects the interspace (15) to an outer circumferential surface of the carrier ring (5).
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: April 11, 2017
    Assignee: EagleBurgmann Germany GmbH & Co. KG
    Inventors: Joseph Portenlanger, Michael Dorig
  • Publication number: 20140175747
    Abstract: The present invention relates to a mechanical seal assembly, comprising: a rotating seal ring (2) and a stationary seal ring (3), which define a sealing gap (4) thereinbetween, a shaft bush (6), on which the rotating seal ring (2) is arranged, a carrier ring (5), which is arranged on the shaft bush (6) and at least partly covers the rotating seal ring (2) on the outer circumference thereof, a first O-ring (8) and a second O-ring (9), which are arranged between the rotating seal ring (2) and the carrier ring (5) and define an interspace (15) on the outer circumference of the rotating seal ring (2) between the carrier ring (5) and the rotating seal ring (2), and at least one connecting opening (11), which connects the interspace (15) to an outer circumferential surface of the carrier ring (5).
    Type: Application
    Filed: August 2, 2012
    Publication date: June 26, 2014
    Applicant: EAGLEBURGMANN GERMANY GMBH & CO. KG
    Inventors: Joseph Portenlanger, Michael Dorig